Which one of the following statements about the atomic nucleus is accurate?a)The nucleus is held together mostly by the electrical and gravitational forcesb)Large nuclei are denser than light nucleic)All nuclei have nearly the same densityd)Smaller nuclei are denser than larger nucleiCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Because the mass of the nucleus is at the centr of the nucleus and the density is also same as measured from the centr..

Answer

Most nuclei are approximately spherical. The average radius of a nucleus with A nucleons is R = R₀A^1/3, where R⁰ = 1.2*10^-15 m. The volume of the nucleus is directly proportional to the total number of nucleons. This suggests that all nuclei have nearly the same density.

Answer

The accurate statement about the atomic nucleus is: All nuclei have nearly the same density.

Explanation:

Introduction:
The atomic nucleus is the central core of an atom that contains protons and neutrons. It is held together by the strong nuclear force, which is stronger than the electromagnetic force (electric forces) and the gravitational force.

Density of Nuclei:
The density of a nucleus refers to the mass per unit volume of the nucleus. The density of nuclei can vary depending on their size, but all nuclei have nearly the same density.

Explanation of Option C:
The statement 'All nuclei have nearly the same density' is accurate. This means that regardless of the number of protons and neutrons in a nucleus, the density remains approximately the same.

Reasoning:
1. The mass of the nucleus is concentrated in a small volume, which results in a high density.
2. The strong nuclear force acts over very short distances to hold the protons and neutrons together in the nucleus.
3. The electromagnetic force, which includes the electrical forces, is responsible for repulsion between the positively charged protons. However, the strong nuclear force overcomes this repulsion and holds the nucleus together.
4. The gravitational force is negligible when compared to the strong nuclear force and electromagnetic force in holding the nucleus together.
5. The size of the nucleus is determined by the number of protons and neutrons it contains. Larger nuclei have more protons and neutrons than smaller nuclei.
6. While the size of the nucleus increases with the number of protons and neutrons, the density remains approximately the same because the mass and volume both increase proportionally.
7. Therefore, larger nuclei are not denser than light nuclei, and smaller nuclei are not denser than larger nuclei.

Conclusion:
The accurate statement about the atomic nucleus is that all nuclei have nearly the same density. This is due to the balance between the strong nuclear force and the electromagnetic force, which allow the nucleus to maintain a relatively constant density regardless of its size.

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